Home / 17,771.10-26,658.26-13,148.43

Finding the Fourth Proportional to 17,771.10, 26,658.26 and 13,148.43

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Solution

The fourth proportional to 17,771.10, 26,658.26 and 13,148.43 is: 19,723.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,771.10 : 26,658.26 = 13,148.43 : x
  2. Step 2: Convert to fraction form
    17,771.10/26,658.26 = 13,148.43/x
  3. Step 3: Cross multiply
    17,771.10x = 26,658.26 × 13,148.43
  4. Step 4: Simplify right side
    17,771.10x = 350,514,223.09
  5. Step 5: Solve for x
    x = 350,514,223.09/17,771.10
  6. Step 6: Final answer
    x = 19,723.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.